code: def original_layer_class():
      return IBertLayer
  
file_path: parallelformers/parallelformers/policies/ibert.py
imports: from transformers.models.ibert.modeling_ibert import IBertLayer
  from parallelformers.policies.base import Layer, Policy
  from parallelformers.utils.dist_utils import AllReduceQuantLinear
label_desc: Use image node_id 6 for calling the IBertPolicy obj's underlying member method code with example usage: obj.original_layer_class() and returns: IBertLayer